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Finding the Fourth Proportional to 98,267.54, 135,608.52 and 55,826.07

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Solution

The fourth proportional to 98,267.54, 135,608.52 and 55,826.07 is: 77,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,267.54 : 135,608.52 = 55,826.07 : x
  2. Step 2: Convert to fraction form
    98,267.54/135,608.52 = 55,826.07/x
  3. Step 3: Cross multiply
    98,267.54x = 135,608.52 × 55,826.07
  4. Step 4: Simplify right side
    98,267.54x = 7,570,490,730.12
  5. Step 5: Solve for x
    x = 7,570,490,730.12/98,267.54
  6. Step 6: Final answer
    x = 77,039.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.